Find parametric equation for ellipse

[getty102]

Homework Statement

Find parametric equation for (((x-2)^2)/4)+(((y+1)^2)/9)=1

Homework Equations

((x^2)/(a^2))+((y^2)/(b^2))=1 (ellipse equation)

The Attempt at a Solution

I tried solving for y which gave me y=(6/(x-2))-1, but that did not work.

 

[tiny-tim]

hi getty10!

hint: an ellipse is a squashed circle

what parametric equation do you know for a circle?